Ava thinks love should be found in the real world, not on apps that filter men by height, job, or astrological sign. She believes in feelings, not algorithms. So after a recent breakup and dating app debacle, she decides to put love on hold and escapes to a remote writers' retreat in coastal Italy. At the retreat, she's not allowed to use her real name or reveal any personal information. When the neighboring martial arts retreat is canceled and a few of its attendees join their small writing community, Ava, now going by "Aria", meets "Dutch", a man who seems too good to be true.

It’s been almost two years since Effie’s beloved parents got divorced, destroying the image of the happy, loving childhood she thought she had. Since then, she’s become estranged from her father and embarked on a feud with his hot (and much younger) girlfriend, Krista. And now, more earth-shattering news: They’ve sold Greenoaks, the rambling Victorian country house Effie has always called home.

Fixie Farr has always lived by her father’s motto: “Family first.” And since her dad passed away, leaving his charming housewares store in the hands of his wife and children, Fixie spends all her time picking up the slack from her siblings instead of striking out on her own. The way Fixie sees it, if she doesn’t take care of her father’s legacy, who will?

Sasha has had it. She cannot bring herself to respond to another inane, “urgent” email or participate in the corporate employee joyfulness program. She hasn’t seen her friends in months. Sex? Seems like a lot of effort. Even cooking dinner takes far too much planning. Sasha has hit a wall. Armed with good intentions to drink kale smoothies, try yoga, and find peace, she heads to the seaside resort she loved as a child. But it’s the off season, the hotel is in a dilapidated shambles, and she has to share the beach with the only other occupant: a grumpy guy named Finn.

After being together for 10 years, Sylvie and Dan have all the trimmings of a happy life and marriage; they have a comfortable home, fulfilling jobs, and beautiful twin girls and communicate so seamlessly, they finish each other's sentences. However, a trip to the doctor projects they will live another 68 years together, and panic sets in. They never expected "until death do us part" to mean seven decades. In the name of marriage survival, they quickly concoct a plan to keep their relationship fresh and exciting.